﻿#region License
//
// Author: Pål Fossmo <pal@fossmo.net>
// Copyright (c) 2008 Pål Fossmo
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#endregion

using System.IO;
using System.Linq;
using System.Xml.Linq;
using TreeFrog.Document;

namespace TreeFrog.FileManager
{
    public class FileManagerService : IFileManager
    {
        private readonly XDocument _document;

        public FileManagerService(IDocument document)
        {
            _document = document.GetXml();
        }

        public string InitFolder { get; set; }

        public void StartCopying()
        {
            XDocument deploymentMap = _document;
            var allDirectoriesAndFiles = from element in deploymentMap.Descendants("Action")
                                         select new
                                                    {
                                                        directory = (string) element.Element("Directory"),
                                                        myfiles = element.Elements("Files")
                                                    };

            foreach (var directoryAndFiles in allDirectoriesAndFiles)
            {
                foreach (XElement file in directoryAndFiles.myfiles.Elements("File"))
                {
                    if (!string.IsNullOrEmpty(file.Value))
                    {
                        string filename = Path.GetFileName(file.Value);
                        string directory = Path.GetDirectoryName(file.Value);
                        string destinationDirectory = directoryAndFiles.directory;
                        CopyFile(directory, filename, destinationDirectory);
                    }
                }
            }
        }

        private void CopyFile(string directory, string filename, string destinationDirectory)
        {
            File.Copy(SourceFile(directory, filename),
                      Path.Combine(Path.Combine(InitFolder, destinationDirectory), filename));
        }

        private string SourceFile(string directory, string filename)
        {
            return Path.Combine(@"Content\" + directory, filename);
        }
    }
}